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Category: electronicselectronics

Satellite Frequency Bands

1.

SATELLITE FREQUENCY BANDS

2.

THERE ARE A NUMBER OF RADIO FREQUENCY
RANGES IN USE IN SATELLITE
COMMUNICATIONS SUCH AS C, X, KU, KA AND
EVEN EHG AND V-BAND.

3.

4.

L-BAND (1–2 GHZ)
GLOBAL POSITIONING SYSTEM (GPS) CARRIERS
AND ALSO SATELLITE MOBILE PHONES, SUCH
AS IRIDIUM; INMARSAT PROVIDING
COMMUNICATIONS AT SEA, LAND AND AIR;
WORLDSPACE SATELLITE RADIO.

5.

S-BAND (2–4 GHZ)
WEATHER RADAR, SURFACE SHIP RADAR, AND
SOME COMMUNICATIONS SATELLITES,
ESPECIALLY THOSE OF NASA FOR
COMMUNICATION WITH ISS AND SPACE
SHUTTLE. IN MAY 2009, INMARSAT AND
SOLARIS MOBILE (A JOINT VENTURE BETWEEN
EUTELSAT AND ASTRA) WERE AWARDED EACH
A 2×15 MHZ PORTION OF THE S-BAND BY THE
EUROPEAN COMMISSION.

6.

C-BAND (4–8 GHZ)
PRIMARILY USED FOR SATELLITE
COMMUNICATIONS, FOR FULL-TIME SATELLITE
TV NETWORKS OR RAW SATELLITE FEEDS.
COMMONLY USED IN AREAS THAT ARE SUBJECT
TO TROPICAL RAINFALL.

7.

X-BAND (8–12 GHZ)
PRIMARILY USED BY THE MILITARY. USED IN
RADAR APPLICATIONS INCLUDING
CONTINUOUS-WAVE, PULSED, SINGLEPOLARISATION, DUAL- POLARISATION,
SYNTHETIC APERTURE RADAR AND PHASED
ARRAYS.

8.

KU-BAND (12–18 GHZ)
USED FOR SATELLITE COMMUNICATIONS. IN
EUROPE, KU-BAND DOWNLINK IS USED FROM
10.7 GHZ TO 12.75 GHZ FOR DIRECT
BROADCAST SATELLITE SERVICES, SUCH AS
ASTRA.

9.

KA-BAND (26–40 GHZ)
COMMUNICATIONS SATELLITES, UPLINK IN
EITHER THE 27.5 GHZ AND 31 GHZ BANDS, AND
HIGH-RESOLUTION, CLOSE-RANGE TARGETING
RADARS ON MILITARY AIRCRAFT.
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